243 RL19 Quickload

George Foster

Beginner
Dec 4, 2005
225
85
Dr. Mike,

I was wondering if you could run me a report on the following:

243Win
75HP Sierra
Rem Case
Fed 210M Primer
2.630 COL
24" Barrel
RL19 Powder

Thank You in Advance once again.
 
Code:
Cartridge          : .243 Win.
Bullet             : .243, 75, Sierra HP 1510
Useable Case Capaci: 51.312 grain H2O = 3.332 cm³
Cartridge O.A.L. L6: 2.630 inch = 66.80 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Alliant Reloder-19 *C

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-10.0   93    44.19   3062    1562   42141  10052     91.4    1.218
-09.0   94    44.68   3098    1598   43598  10182     92.0    1.199
-08.0   95    45.17   3133    1635   45107  10309     92.7    1.180
-07.0   97    45.66   3169    1672   46673  10433     93.2    1.162
-06.0   98    46.15   3204    1709   48295  10553     93.8    1.144
-05.0   99    46.65   3239    1747   49976  10669     94.4    1.127
-04.0  100    47.14   3275    1786   51721  10782     94.9    1.110  ! Near Maximum !
-03.0  101    47.63   3310    1825   53531  10890     95.4    1.093  ! Near Maximum !
-02.0  102    48.12   3345    1864   55407  10994     95.9    1.076  ! Near Maximum !
-01.0  103    48.61   3381    1903   57356  11094     96.3    1.060  ! Near Maximum !
+00.0  104    49.10   3416    1943   59359  11190     96.8    1.044  ! Near Maximum !
+01.0  105    49.59   3451    1984   61479  11280     97.2    1.028  !DANGEROUS LOAD-DO NOT USE!
+02.0  106    50.08   3487    2024   63661  11366     97.6    1.013  !DANGEROUS LOAD-DO NOT USE!
+03.0  107    50.57   3522    2065   65923  11447     97.9    0.997  !DANGEROUS LOAD-DO NOT USE!
+04.0  108    51.06   3557    2107   68261  11523     98.2    0.983  !DANGEROUS LOAD-DO NOT USE!
+05.0  109    51.56   3592    2149   70683  11594     98.5    0.968  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    104    49.10   3591    2147   71139  11182     99.8    0.966  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    104    49.10   3189    1694   48438  10633     89.6    1.144

What do you use this load for? Should be a flat-shooting load, that's for sure.
 
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